Ohcanbohtosat - ((materal OR materials) OR materialow) ((health services) OR (health (devices OR series))).*
Ozuin - ((materal OR materials) OR materialow) ((health services) OR (health (devices OR series))).* - eai gávdnon bohtosat.
Sáhtát oažžut lasi bohtosiid go hábmet iežat ohcama.
- Seđđon ohcamiin sáhttet gávdnot ohcanbohtosat, main leat seammasullasaš sánit: ((materal OR materials) OR materialow) ((health services) OR (health (devices OR series))).~.
- Sánit AND, OR ja NOT sáhttet moivet ohcama; geahččal lasihit aisttonmearkkaid ohcansániid birra: "((materal OR materials) OR materialow) ((health services) OR (health (devices OR series))).*".